Table 5

Linear regression

Independent variables	Dependent variables	R²	β	P values
Total LV scores	MV E	0.047	−1.832	0.190
	% respiratory MV E	0.005	0.230	0.675
	MV E/A ratio	0.001	−0.014	0.895
	DT	0.017	1.711	0.461
	MV e′ medial	0.034	0.253	0.294
	MV e′ lateral	0.035	−0.254	0.300
	Average E/e′ MV	0.004	−0.076	0.731
Total RV scores	TV E	0.054	−2.246	0.234
Total RV scores	TV e′ lateral	0.048	0.320	0.415
	% respiratory TV E	0.149	−2.072	0.043
Age	Total PC score	0.012	−0.037	0.463
Gender		0.012	1.236	0.445
Smoking		0.006	0.737	0.597
Creatinine		0.062	−1.337	0.092
Albumin		0.004	−0.464	0.680
Body mass index		0.062	0.176	0.210

% resp, percent respiratory variation; A, peak late mitral diastolic flow velocity; DT, deceleration time; E, peak early diastolic flow velocity; e’, early mitral annular tissue diastolic velocity; LV, left ventricle; MV, mitral valve; PC, pericardial calcium; R², correlation coefficient; RV, right ventricle; TV, tricuspid valve.